RT Journal Article SR Electronic T1 COVID-19 and the pulse oximeter’s beep JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E159 OP E160 DO 10.1503/cmaj.230221 VO 196 IS 5 A1 Oyedeji Ayonrinde YR 2024 UL http://www.cmaj.ca/content/196/5/E159.abstract